The Spacer,sleeve, cataloged under National Stock Number 5365-01-179-9153, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-179-9153 |
| Primary Part Number | 340984-1 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-225/6 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 340984-1 PRIMARY | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| 340984-1 | 5/9 Secondary reference Northrop Grumman Corp Electronic Systems Defensive System Div |
NSN 5365-01-179-9153 is a Spacer,sleeve, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-179-9153 has 1 manufacturer part number on file: 340984-1 (Designatronics Incorporated Div Sterling Instruments Div).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-513-4604. Verify interchangeability with system specifications before substitution.
Key specifications for 340984-1: Material Document and Classification: QQ-A-225/6 FED SPEC ALL MATERIAL RESPONSES OVERALL; Material: ALUMINUM ALLOY 2024 OVERALL. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.